Evidence map›Paper›PMID 20559971›Full record

ArticleJournal of cardiovascular translational research2009

AAV-2-mediated expression of IGF-1 in skeletal myoblasts stimulates angiogenesis and cell survival.

Indira V Subramanian, Brian C A Fernandes, Timothy Robinson, Jennifer Koening, Kelly S Lapara, S Ramakrishnan

Abstract read
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In one paragraph

Article in Journal of cardiovascular translational research, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact, top 92% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 9 citations in OpenAlex.

  1. Article
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  3. Review
  4. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 2 countries.

Indira V SubramanianDepartment of Obstetrics, Gynecology and Women's Health, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
Brian C A Fernandes
Timothy Robinson
Jennifer Koening
Kelly S Lapara
S Ramakrishnan
University of Minnesota Medical Center · USMedtronic (United States) · USMedtronic (Netherlands) · NL

Funding

Antiangiogenic Gene Therapy of Ovarian and Breast CancersR01CA114340 · NCI · UNIVERSITY OF MINNESOTA · PI RAMAKRISHNAN, SUNDARAM · 2007 to 2011
$1.3M
NCI NIH HHS R01 CA114340
6 · The paper itself

Abstract

The transplantation of skeletal myoblasts is being tested in various organ systems to facilitate tissue repair and regeneration. Previous studies have indicated that transplanted cells for varied reasons were not surviving in sufficient numbers following transplantation, thus negatively affecting overall therapeutic efficacy of the approach. We hypothesize that the genetic modification of myoblasts to express insulin-like growth factor 1 (IGF-1) locally may enhance the survival of transplanted cells by stimulating neo-vascularization, decreasing apoptosis, and promoting cell proliferation. Using an adeno-associated virus (adeno-associated virus type 2) vector system, the IGF-1 gene was introduced into canine skeletal myoblasts. As a negative control, myoblasts transduced with the green fluorescence protein (GFP) was used. Relative angiogenic response induced by IGF-1 myoblast was compared to VEGF165-induced neo-vascularization using Matrigel plugs under similar conditions. In vitro evaluation and characterization revealed that the secreted IGF-1 protein was biologically and functionally active in promoting endothelial cell proliferation, migration and assembly into vessel-like structures. Matrigel plugs containing the three test groups were implanted subcutaneously in nude mice (n = 5). After 3 weeks, analysis of explanted samples revealed an enhanced neo-vascularization with an average microvessel density per field for IGF-1 at 55.9 versus 33.4 for vascular endothelial growth factor and 24 for GFP. Additionally, apoptosis was significantly reduced (p <or= 0.02) and proliferative capacity of implanted cells significantly increased (p <or= 0.01) with the IGF-1-transduced myoblasts. We conclude that the genetic modification of skeletal myoblasts with the IGF-1 gene offers a potential means for enhanced cell survival following transplantation.

Indexed as

Genetic VectorsNeovascularization, PhysiologicParacrine CommunicationAnimalsApoptosisCell Line, TumorCell ProliferationCell SurvivalCulture Media, ConditionedDependovirusDogsEndothelial CellsHumansInsulin-Like Growth Factor IMiceMice, NudeCulture Media, ConditionedInsulin-Like Growth Factor IVascular Endothelial Growth Factor A

Identifiers

PMID20559971
OpenAlexW2004974825

What OpenQuestion holds

Textmetadata
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.